ed. by A.R. Meetham, R.A. Hudson
Pergamon Press, 1969
Buku Referensi
Senft, Sandra, author
CRC Press, 2013
Buku Teks
Weber, Ron, author
Prentice-Hall, 1999
Buku Teks
Clason, W. E., 1898-, compiler
Elsevier, 1976
Buku Referensi
Ratzan, Lee, author
[American Library association, American Library association], 2004
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